LG 55LA860W User Manual page 8

To enable the power supply for the LNB, select On. If you
LNB Power
select Off, Motor Type is disabled.
When using DiSEqC, select one option from A~D/ToneA~B.
DiSEqC
If you use DiSEqC, Unicable and Motor Type are disabled.
Select On to use Unicable and set the Unicable in the
Unicable Settings Unicable Setting menu. When Unicable is enabled, 22KHz
Tone, DiSEqC, Motor Type are disabled.
Select Motor Type to use Motor and set the Motor in the
Motor Type Motor Setting menu. When Motor is enabled, 22KHz Tone,
DiSEqC, Unicable are disabled.